<template>
  <div>
    <span  v-for="(item,index) in arr" :key="index"><input v-model="arr2"  :value="item" type="checkbox" >{{item}}</span>
   <ul>
     <li v-for="(item,index) in arr2" :key="index">{{item}}</li>
   </ul>
   </div>
</template>

<script>
export default {
  name: 'TwodayApp',

  data() {
    return {
      arr:["科幻", "喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"],
      arr2:[]
    };
  },

  mounted() {
    
  },

  methods: {
    
  },
};
</script>

<style lang="scss" scoped>

</style>